Practice Quiz

CompTIA Security+ Exam Prep

Category - Communication

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The two main types of routing protocols are used to make routing decisions based on either distance-vector routing protocols or link-state routing protocols. However, there are a handful of De facto and proprietary interior protocols in use. Which De facto protocol was created by Cisco Systems and uses five criteria to make a decision?
  1. Routing Information Protocol
  2. Open Shortest Path First
  3. Interior Gateway Routing Protocol
  4. None of the Above
Explanation
Answer: C - The Interior Gateway Routing Protocol (IGRP) was created by Cisco Systems and uses five criteria to make a decision. IGRP is a distance-vector routing protocol. Routing Information Protocol uses one criterion to fine the best path between the source and destination and IGRP uses five criteria to make a “best route” decision. A network administrator can set weights on these different metrics so that the protocol works best in that specific environment.
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